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【单选题】
Han Han's books are popular. They __________ by many teenagers.A.
is read
B.
is invites
C.
were read D were invites
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反馈参考答案：
举一反三
【单选题】We need to __________ an eye on all the activities to make surer that people stay safe.
A.
catch
B.
keep
C.
take
D.
bring
【单选题】It's normal to spend two or three years working in one's country before working_____.
A.
coutside
B.
overseas
C.
at home
D.
inside
【单选题】We need to ________an eye on all the activities to make sure that people stay safe.
A.
catch
B.
keep
C.
take
D.
bring
【简答题】车辙的类型有( )。
【单选题】汽车变速器 ( ) 的主要作用是改变转矩、转速和旋转方向。 A. 变速操纵机构 B. 变速传动机构 C. 安全装置 D. 齿轮
A.
变速操纵机构
B.
变速传动机构
C.
安全装置
D.
齿轮
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